Open WebUI Instances Face AI Payload Attacks
On March 19, 2026, security researchers reported a campaign exploiting improperly secured Open WebUI instances that allows attackers to deploy malicious AI payloads and siphon data. Shodan scans show more than 17,000 publicly accessible Open WebUI deployments worldwide, creating widespread exposure; the campaign highlights risks for organizations running self-hosted LLM interfaces and the need to secure access controls and monitor tool execution.
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